Patents by Inventor Li Sheng Liu
Li Sheng Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12166096Abstract: A semiconductor structure includes a semiconductor substrate; fin active regions protruded above the semiconductor substrate; and a gate stack disposed on the fin active regions; wherein the gate stack includes a high-k dielectric material layer, and various metal layers disposed on the high-k dielectric material layer. The gate stack has an uneven profile in a sectional view with a first dimension D1 at a top surface, a second dimension D2 at a bottom surface, and a third dimension D3 at a location between the top surface and the bottom surface, and wherein each of D1 and D2 is greater than D3.Type: GrantFiled: April 17, 2023Date of Patent: December 10, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Chi-Sheng Lai, Yu-Fan Peng, Li-Ting Chen, Yu-Shan Lu, Yu-Bey Wu, Wei-Chung Sun, Yuan-Ching Peng, Kuei-Yu Kao, Shih-Yao Lin, Chih-Han Lin, Pei-Yi Liu, Jing Yi Yan
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Publication number: 20240386854Abstract: A cockpit display system includes a cockpit, a first display apparatus, a second display apparatus, a first light sensor, a second light sensor and a brightness distribution calculation module. The first light sensor is suitable for detecting a first ambient light brightness. The second light sensor is suitable for detecting a second ambient light brightness. The brightness distribution calculation module is suitable for respectively calculating a first brightness, a second brightness, a third brightness and a fourth brightness of the first display area and the second display area of the first display apparatus and the third display area and the fourth display area of the second display apparatus under a same display gray level according to the first ambient light brightness and the second ambient light brightness. The first brightness, the second brightness, the third brightness and the fourth brightness are different from each other.Type: ApplicationFiled: December 21, 2023Publication date: November 21, 2024Inventors: Yu-Chi CHEN, Teng-Ying HUANG, Chih-Hsiang LIU, Li-Heng HSU, Chi-Yu LIU, Tsung-Hsiung WANG, Chia-Sheng CHENG
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Patent number: 10763766Abstract: The present teaching relates to a magnetic sensor residing in a housing. The magnetic sensor includes an input port and an output port, both extending from the housing, wherein the input port is to be connected to an external alternating current (AC) power supply. The magnetic sensor also includes an electric circuit which comprises an output control circuit coupled with the output port and configured to be at least responsive to a magnetic induction signal and the external AC power supply to control the magnetic sensor to operate in a state in which a load current flows through the output port. The magnetic induction signal is indicative of at least one characteristic of an external magnetic field detected by the electrical circuit and the operating frequency of the magnetic sensor is positively proportional to the frequency of the external AC power supply.Type: GrantFiled: April 10, 2018Date of Patent: September 1, 2020Assignee: JOHNSON ELECTRIC INTERNATIONAL AGInventors: Chi Ping Sun, Fei Xin, Ken Wong, Shing Hin Yeung, Hui Min Guo, Shu Zuo Lou, Xiao Ming Chen, Guang Jie Cai, Chun Fai Wong, Shu Juan Huang, Yun Long Jiang, Yue Li, Bao Ting Liu, En Hui Wang, Xiu Wen Yang, Li Sheng Liu, Yan Yun Cui
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Patent number: 10637374Abstract: A magnetic sensor integrated circuit, a motor component and an application apparatus are provided. The integrated circuit includes: an input port, an output port, a magnetic field detection circuit and an output control circuit. The magnetic field detection circuit detects an external magnetic field and outputs magnetic field detection information. The output control circuit enables, at least based on the magnetic field detection information, the integrated circuit to switch at least between a first state, in which a current flows from the output port to an outside of the integrated circuit, and a second state, in which a current flows from the outside of the integrated circuit to the output port.Type: GrantFiled: August 8, 2016Date of Patent: April 28, 2020Assignee: JOHNSON ELECTRIC INTERNATIONAL AGInventors: Chi Ping Sun, Fei Xin, Ken Wong, Shing Hin Yeung, Shu Juan Huang, Yun Long Jiang, Yue Li, Bao Ting Liu, En Hui Wang, Xiu Wen Yang, Li Sheng Liu, Yan Yun Cui
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Patent number: 10469005Abstract: The present teaching relates to a magnetic sensor comprising an input port to be connected to an external power supply, a magnetic field detecting circuit configured to generate a magnet detection signal, an output control circuit configured to control operation of the magnetic sensor in response to the magnet detection signal, and an output port. The magnetic field detecting circuit includes a magnetic sensing element configured to detect an external magnetic field and output a detection signal, a signal processing element configured to amplify the detection signal and removing interference from the detection signal to generate processed detection signal, and an analog-digital conversion element configured to convert the processed detection signal into a magnet detection signal, and the output control circuit is configured to control the magnetic sensor to operate in at least one of a first state and a second state responsive to at least the magnet detection signal.Type: GrantFiled: June 16, 2017Date of Patent: November 5, 2019Assignee: JOHNSON ELECTRIC INTERNATIONAL AGInventors: Hui Min Guo, Shu Zuo Lou, Xiao Ming Chen, Guang Jie Cai, Chun Fai Wong, Yue Li, Chi Ping Sun, Bao Ting Liu, En Hui Wang, Fei Xin, Shing Hin Yeung, Xiu Wen Yang, Li Sheng Liu, Yan Yun Cui, Shu Juan Huang
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Patent number: 10439529Abstract: A sensor integrated circuit includes a rectifier, a power supply module, an output control circuit and a detecting circuit. The rectifier is configured to convert an external power supply into a first direct current power supply. The power supply module includes a voltage regulator configured to generate a second direct current power supply different from the first direct current power supply. The detecting circuit is powered by the second direct current power supply and configured to detect an inputted signal and correspondingly generate a control signal. The output control circuit is configured to control, in response to at least the control signal, the sensor integrated circuit to operate in at least one of a first state in which a current flows out from an output port and a second state in which a current flows in from the output port.Type: GrantFiled: August 8, 2016Date of Patent: October 8, 2019Assignee: JOHNSON ELECTRIC INTERNATIONAL AGInventors: Chi Ping Sun, Fei Xin, Ken Wong, Shing Hin Yeung, Hui Min Guo, Shu Zuo Lou, Xiao Ming Chen, Guang Jie Cai, Chun Fai Wong, Shu Juan Huang, Yun Long Jiang, Yue Li, Bao Ting Liu, En Hui Wang, Xiu Wen Yang, Li Sheng Liu, Yan Yun Cui
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Patent number: 10295371Abstract: An electronic device and a magnetic sensor integrated circuit thereof are provided. The magnetic sensor integrated circuit includes a shell, a semiconductor substrate installed in the shell and a first to a third port extending from the shell. A rectifier and a position sensor are provided on the semiconductor substrate. The rectifier includes first and second output terminals and two input terminals respectively connected to the first and second ports. In a case that the first and second ports are positively or negatively connected to an external power supply, a voltage output by the first output terminal of the rectifier is higher than the voltage output by the second output terminal of the rectifier. The position sensor is connected to the first and second output terminals of the rectifier, and a magnetic field signal detected by the position sensor is output by the third port.Type: GrantFiled: August 8, 2016Date of Patent: May 21, 2019Assignee: JOHNSON ELECTRIC INTERNATIONAL AGInventors: Chi Ping Sun, Fei Xin, Ken Wong, Shing Hin Yeung, Shu Juan Huang, Yun Long Jiang, Yue Li, Bao Ting Liu, En Hui Wang, Xiu Wen Yang, Li Sheng Liu, Yan Yun Cui
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Publication number: 20190115857Abstract: The present teaching relates to a magnetic sensor residing in a housing. The magnetic sensor includes an input port and an output port, both extending from the housing, wherein the input port is to be connected to an external alternating current (AC) power supply. The magnetic sensor also includes an electric circuit which comprises an output control circuit coupled with the output port and configured to be at least responsive to a magnetic induction signal and the external AC power supply to control the magnetic sensor to operate in a state in which a load current flows through the output port. The magnetic induction signal is indicative of at least one characteristic of an external magnetic field detected by the electrical circuit and the operating frequency of the magnetic sensor is positively proportional to the frequency of the external AC power supply.Type: ApplicationFiled: April 10, 2018Publication date: April 18, 2019Inventors: Chi Ping SUN, Fei XIN, Ken WONG, Shing Hin YEUNG, Hui Min GUO, Shu Zuo LOU, Xiao Ming CHEN, Guang Jie CAI, Chun Fai WONG, Shu Juan HUANG, Yun Long JIANG, Yue LI, Bao Ting LIU, En Hui WANG, Xiu Wen YANG, Li Sheng LIU, Yan Yun CUI
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Patent number: 10240644Abstract: A fluid driving device, a motor assembly and a friction clutch thereof are disclosed. The friction clutch includes: a fixing member fixed on a rotary shaft; a connecting member slidable disposed on the rotary shaft, wherein when the rotary shaft starts rotating, an axial distance between the connecting member and the fixing member changes such that a friction force between the fixing member and the connecting member increases until the connecting member rotates synchronously with the fixing member; a loading member slidable disposed on the rotary shaft, the loading member and the connecting member being circumferentially positioned; and a restoring member configured to reduce an amount of change of the axial distance between the fixing member and the connecting member when the rotary shaft stops rotating.Type: GrantFiled: November 28, 2016Date of Patent: March 26, 2019Assignee: JOHNSON ELECTRIC INTERNATIONAL AGInventors: Yue Li, Li Sheng Liu, Yong Wang, Ya Ming Zhang
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Patent number: 10205413Abstract: A magnetic sensor integrated circuit, a motor assembly and an application device are provided. The integrated circuit includes a housing, a semiconductor substrate, at least one input port and an output port, and an electronic circuit arranged on the semiconductor substrate. The electronic circuit includes a rectifying circuit, a magnetic field detection circuit configured to detect an external magnetic field and output magnetic field detection information, and an output control circuit connected to the rectifying circuit, and configured to control, at least based on the magnetic field detection information, the integrated circuit to operate in at least one of a first state in which a load current flows from the output port to an outside of the integrated circuit and a second state in which a load current flows from the outside of the integrated circuit to the output port. The load current flows through the rectifying circuit.Type: GrantFiled: August 8, 2016Date of Patent: February 12, 2019Assignee: JOHNSON ELECTRIC INTERNATIONAL AGInventors: Chi Ping Sun, Fei Xin, Ken Wong, Shing Hin Yeung, Shu Juan Huang, Yun Long Jiang, Yue Li, Bao Ting Liu, En Hui Wang, Xiu Wen Yang, Li Sheng Liu, Yan Yun Cui
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Patent number: 10205412Abstract: A motor driving circuit and a motor component are provided.Type: GrantFiled: August 8, 2016Date of Patent: February 12, 2019Assignee: JOHNSON ELECTRIC INTERNATIONAL AGInventors: Chi Ping Sun, Shing Hin Yeung, Fei Xin, Xiu Wen Yang, Shu Juan Huang, Yun Long Jiang, Yue Li, Bao Ting Liu, En Hui Wang, Li Sheng Liu, Yan Yun Cui
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Patent number: 10199965Abstract: A magnetic sensor integrated circuit, a motor and an application apparatus. The magnetic sensor includes a magnetic sensor, a signal processing unit, an output control circuit and an output port. The magnetic sensor receives a constant current sense a magnetic polarity of an external magnetic field and output a differential signal. The signal processing unit amplifies the differential signal and eliminates an offset of the differential signal to obtain a magnetic field detection signal. The output control circuit control, at least based on the magnetic field detection signal, the magnetic sensor integrated circuit to operate in at least one a first state in which a current flows from the output port to the outside and a second state in which a current flows from the outside into the output port.Type: GrantFiled: August 8, 2016Date of Patent: February 5, 2019Assignee: JOHNSON ELECTRIC INTERNATIONAL AGInventors: Guang Jie Cai, Chun Fai Wong, Yue Li, Chi Ping Sun, Bao Ting Liu, En Hui Wang, Fei Xin, Shing Hin Yeung, Xiu Wen Yang, Li Sheng Liu, Yan Yun Cui, Shu Juan Huang
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Patent number: 10145427Abstract: A blower, a motor assembly and a centrifugal friction clutch thereof are provided. The centrifugal friction clutch includes: a fixing member for being fixed on a rotary shaft and comprising a guiding groove disposed in a radial direction of the fixing member and passing through an outer circumferential surface of the fixing member; a centrifugal block disposed in the guiding groove and slidable in the guiding groove; and a loading wheel having an inner hole in which the fixing member is received. A gap between a wall of the inner hole and the outer circumferential surface of the fixing member is less than a length of the centrifugal block along its sliding direction. The centrifugal friction clutch reduces vibrations at startup of the motor, thereby effectively reducing the vibrational noise. In addition, this also avoids the startup failure of the motor and effectively improves the startup performance of the motor.Type: GrantFiled: September 2, 2016Date of Patent: December 4, 2018Assignee: JOHNSON ELECTRIC S.A.Inventors: Yue Li, Li Sheng Liu, Yong Wang, Ya Ming Zhang
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Patent number: 10075108Abstract: An integrated circuit, a motor component including the integrated circuit and an application device having the motor component are provided according to embodiments of the present disclosure. The integrated circuit includes a housing, an integrated circuit die arranged inside the housing and multiple pins extended out from the housing. The integrated circuit die has a conductive back plate and an electronic circuit arranged on the conductive back plate. The multiple pins include an input pin and an output pin, each of the multiple pins has a lead frame inside the housing. And the conductive back plate is fixed to the lead frame of at least one ungrounded pin of the multiple pins in a manner of electrical insulation, thereby avoiding an short circuit for the integrated circuit due to an electrical connection between the conductive back plate and the lead frame fixed to the conductive back plate.Type: GrantFiled: August 8, 2016Date of Patent: September 11, 2018Assignee: Johnson Electric S.A.Inventors: Chi Ping Sun, Ken Wong, Shing Hin Yeung, Shu Juan Huang, Yun Long Jiang, Gang Qian, Yue Li, Bao Ting Liu, En Hui Wang, Fei Xin, Xiu Wen Yang, Li Sheng Liu, Yan Yun Cui
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Publication number: 20180234041Abstract: The present teaching relates to a method/apparatus for a magnetic sensor. The apparatus of the magnetic sensor resides in a housing and includes an input port and an output port, both extending from the housing. The apparatus also includes an electrical circuit which comprises a magnetic field detecting circuit, configured to detect an external magnetic field and output a magnetic induction signal that is indicative of information related to the external magnetic field, an output control circuit coupled between the magnetic field detecting circuit and the output port, and a state control circuit coupled with the output control circuit and configured to determine whether a predetermined condition is satisfied and signal the same to the output control circuit.Type: ApplicationFiled: April 9, 2018Publication date: August 16, 2018Inventors: Chi Ping SUN, Fei XIN, Ken WONG, Shing Hin YEUNG, Hui Min GUO, Shu Zuo LOU, Xiao Ming CHEN, Guang Jie CAI, Chun Fai WONG, Shu Juan HUANG, Yun Long JIANG, Yue LI, Bao Ting LIU, En Hui WANG, Xiu Wen YANG, Li Sheng LIU, Yan Yun CUI
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Patent number: 9973121Abstract: The present teaching relates to a magnetic sensor residing in a housing. The magnetic sensor includes an input port and an output port, both extending from the housing, wherein the input port is to be connected to an external alternating current (AC) power supply. The magnetic sensor also includes an electric circuit which comprises an output control circuit coupled with the output port and configured to be at least responsive to a magnetic induction signal and the external AC power supply to control the magnetic sensor to operate in a state in which a load current flows through the output port. The magnetic induction signal is indicative of at least one characteristic of an external magnetic field detected by the electrical circuit and the operating frequency of the magnetic sensor is positively proportional to the frequency of the external AC power supply.Type: GrantFiled: August 8, 2016Date of Patent: May 15, 2018Assignee: JOHNSON ELECTRIC S.A.Inventors: Chi Ping Sun, Fei Xin, Ken Wong, Shing Hin Yeung, Hui Min Guo, Shu Zuo Lou, Xiao Ming Chen, Guang Jie Cai, Chun Fai Wong, Shu Juan Huang, Yun Long Jiang, Yue Li, Bao Ting Liu, En Hui Wang, Xiu Wen Yang, Li Sheng Liu, Yan Yun Cui
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Patent number: 9966883Abstract: The present teaching relates to a method/apparatus for a magnetic sensor. The apparatus of the magnetic sensor resides in a housing and includes an input port and an output port, both extending from the housing. The apparatus also includes an electrical circuit which comprises a magnetic field detecting circuit, configured to detect an external magnetic field and output a magnetic induction signal that is indicative of information related to the external magnetic field, an output control circuit coupled between the magnetic field detecting circuit and the output port, and a state control circuit coupled with the output control circuit and configured to determine whether a predetermined condition is satisfied and signal the same to the output control circuit.Type: GrantFiled: August 8, 2016Date of Patent: May 8, 2018Assignee: JOHNSON ELECTRIC S.A.Inventors: Chi Ping Sun, Fei Xin, Ken Wong, Shing Hin Yeung, Hui Min Guo, Shu Zuo Lou, Xiao Ming Chen, Guang Jie Cai, Chun Fai Wong, Shu Juan Huang, Yun Long Jiang, Yue Li, Bao Ting Liu, En Hui Wang, Xiu Wen Yang, Li Sheng Liu, Yan Yun Cui
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Patent number: 9954469Abstract: The present teaching relates to a magnetic sensor that comprises a housing, an input port and an output port, both extending from the housing and the input port being connected to an external alternating current (AC) power supply, and an electrical circuit. The electrical circuit comprises an output control circuit coupled with the output port and configured to be responsive to a magnetic induction signal to control the magnetic sensor to operate in a state in which a load current flows through the output port when a predetermined condition is satisfied, and operate in another state when the predetermined condition is not satisfied. The operating frequency of the magnetic sensor is positively proportional to the frequency of the external AC power supply.Type: GrantFiled: August 8, 2016Date of Patent: April 24, 2018Assignee: JOHNSON ELECTRIC S.A.Inventors: Chi Ping Sun, Fei Xin, Ken Wong, Shing Hin Yeung, Hui Min Guo, Shu Zuo Lou, Xiao Ming Chen, Guang Jie Cai, Chun Fai Wong, Shu Juan Huang, Yun Long Jiang, Yue Li, Bao Ting Liu, En Hui Wang, Xiu Wen Yang, Li Sheng Liu, Yan Yun Cui
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Publication number: 20180006589Abstract: The present teaching relates to a magnetic sensor comprising an input port to be connected to an external power supply, a magnetic field detecting circuit configured to generate a magnet detection signal, an output control circuit configured to control operation of the magnetic sensor in response to the magnet detection signal, and an output port. The magnetic field detecting circuit includes a magnetic sensing element configured to detect an external magnetic field and output a detection signal, a signal processing element configured to amplify the detection signal and removing interference from the detection signal to generate processed detection signal, and an analog-digital conversion element configured to convert the processed detection signal into a magnet detection signal, and the output control circuit is configured to control the magnetic sensor to operate in at least one of a first state and a second state responsive to at least the magnet detection signal.Type: ApplicationFiled: June 16, 2017Publication date: January 4, 2018Inventors: Hui Min GUO, Shu Zuo LOU, Xiao Ming CHEN, Guang Jie CAI, Chun Fai WONG, Yue LI, Chi Ping SUN, Bao Ting LIU, En Hui WANG, Fei XIN, Shing Hin YEUNG, Xiu Wen YANG, Li Sheng LIU, Yan Yun CUI, Shu Juan HUANG
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Patent number: 9803653Abstract: A heater pump includes a motor and a pump assembly. The pump assembly includes a pump housing having an inlet and an outlet. An impeller and a heater are disposed within the pump housing. The heater includes a heater housing having an inner wall, an outer wall, a lower wall and an upper wall forming a heating chamber. A heating element is disposed within the heating chamber. The inner wall defines an inlet channel connecting the impeller with the inlet of the water pump. Water flowing through the pump is heated by contact with the heater housing and/or the heating element.Type: GrantFiled: May 20, 2015Date of Patent: October 31, 2017Assignee: Johnson Electric S.A.Inventors: Yong Qing Qi, Hong Jian Zhang, Li Sheng Liu, Yue Li